. He didn't want to see anybody, so he spent six hours ____ in the small room.
| A．locked | B．to lock | C．locking | D．being locked |
—There is still a copy of the book in the library. Wall you go and borrow ________?
—No, I’d rather buy ________ in the bookstore.
| A．it;one | B．one;one | C．one;it | D．it;it |
The information on the Internet gets around much more rapidly than ____ in the newspaper.
| A．it | B．those | C．one | D．that |
To save class time, our teacher has ________ students do half of the exercise in class and complete the other half for homework. .
| A．us | B．we | C．our | D．ours |
_____________ worries me the way he keeps changing his mind.
| A．This | B．That | C．What | D．It |
Little joy can equal ________ of a surprising ending when you read stories.
| A．that | B．those | C．any | D． some |